Incoming Canadian Prime Minister Mark Carney has deep Irish roots, whose paternal grandparents were from Co Mayo, and has held Irish citizenship since the 1980s, and will now look to navigate a fraugh

Carney, 59, a Harvard grad, will oversee his country at a time when it is locked in a trade war with the United States, its largest trading partner.

Mark Carney is expected to replace Canadian Prime Minister Justin Trudeau as Canada grapples with Trump's tariffs.